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apache / mina-site / refs/heads/mina-gen-docs / . / 2.1.3 / xref / org / apache / mina / filter / codec / serialization / ObjectSerializationEncoder.html
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<div id="overview"><a href="../../../../../../../apidocs/org/apache/mina/filter/codec/serialization/ObjectSerializationEncoder.html">View Javadoc</a></div><pre>
<a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="L17" href="#L17">17</a> <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="L18" href="#L18">18</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L19" href="#L19">19</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">package</strong> org.apache.mina.filter.codec.serialization;
<a class="jxr_linenumber" name="L21" href="#L21">21</a>
<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> java.io.NotSerializableException;
<a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> java.io.Serializable;
<a class="jxr_linenumber" name="L24" href="#L24">24</a>
<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.buffer.IoBuffer;
<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.session.IoSession;
<a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> org.apache.mina.filter.codec.ProtocolEncoder;
<a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">import</strong> org.apache.mina.filter.codec.ProtocolEncoderAdapter;
<a class="jxr_linenumber" name="L29" href="#L29">29</a> <strong class="jxr_keyword">import</strong> org.apache.mina.filter.codec.ProtocolEncoderOutput;
<a class="jxr_linenumber" name="L30" href="#L30">30</a>
<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * A {@link ProtocolEncoder} which serializes {@link Serializable} Java objects</em>
<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * using {@link IoBuffer#putObject(Object)}.</em>
<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://mina.apache.org" target="alexandria_uri">http://mina.apache.org</a>"&gt;Apache MINA Project&lt;/a&gt;</em>
<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L37" href="#L37">37</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a name="ObjectSerializationEncoder" href="../../../../../../org/apache/mina/filter/codec/serialization/ObjectSerializationEncoder.html#ObjectSerializationEncoder">ObjectSerializationEncoder</a> <strong class="jxr_keyword">extends</strong> <a name="ProtocolEncoderAdapter" href="../../../../../../org/apache/mina/filter/codec/ProtocolEncoderAdapter.html#ProtocolEncoderAdapter">ProtocolEncoderAdapter</a> {
<a class="jxr_linenumber" name="L38" href="#L38">38</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> maxObjectSize = Integer.MAX_VALUE; <em class="jxr_comment">// 2GB</em>
<a class="jxr_linenumber" name="L39" href="#L39">39</a>
<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * Creates a new instance.</em>
<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L43" href="#L43">43</a> <strong class="jxr_keyword">public</strong> <a name="ObjectSerializationEncoder" href="../../../../../../org/apache/mina/filter/codec/serialization/ObjectSerializationEncoder.html#ObjectSerializationEncoder">ObjectSerializationEncoder</a>() {
<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_comment">// Do nothing</em>
<a class="jxr_linenumber" name="L45" href="#L45">45</a> }
<a class="jxr_linenumber" name="L46" href="#L46">46</a>
<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> * @return the allowed maximum size of the encoded object.</em>
<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> * If the size of the encoded object exceeds this value, this encoder</em>
<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> * will throw a {@link IllegalArgumentException}. The default value</em>
<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment"> * is {@link Integer#MAX_VALUE}.</em>
<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L53" href="#L53">53</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getMaxObjectSize() {
<a class="jxr_linenumber" name="L54" href="#L54">54</a> <strong class="jxr_keyword">return</strong> maxObjectSize;
<a class="jxr_linenumber" name="L55" href="#L55">55</a> }
<a class="jxr_linenumber" name="L56" href="#L56">56</a>
<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em class="jxr_javadoccomment"> * Sets the allowed maximum size of the encoded object.</em>
<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment"> * If the size of the encoded object exceeds this value, this encoder</em>
<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment"> * will throw a {@link IllegalArgumentException}. The default value</em>
<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_javadoccomment"> * is {@link Integer#MAX_VALUE}.</em>
<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> * @param maxObjectSize the maximum size for an encoded object</em>
<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L65" href="#L65">65</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMaxObjectSize(<strong class="jxr_keyword">int</strong> maxObjectSize) {
<a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">if</strong> (maxObjectSize &lt;= 0) {
<a class="jxr_linenumber" name="L67" href="#L67">67</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"maxObjectSize: "</span> + maxObjectSize);
<a class="jxr_linenumber" name="L68" href="#L68">68</a> }
<a class="jxr_linenumber" name="L69" href="#L69">69</a>
<a class="jxr_linenumber" name="L70" href="#L70">70</a> <strong class="jxr_keyword">this</strong>.maxObjectSize = maxObjectSize;
<a class="jxr_linenumber" name="L71" href="#L71">71</a> }
<a class="jxr_linenumber" name="L72" href="#L72">72</a>
<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L76" href="#L76">76</a> @Override
<a class="jxr_linenumber" name="L77" href="#L77">77</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> encode(<a name="IoSession" href="../../../../../../org/apache/mina/core/session/IoSession.html#IoSession">IoSession</a> session, Object message, <a name="ProtocolEncoderOutput" href="../../../../../../org/apache/mina/filter/codec/ProtocolEncoderOutput.html#ProtocolEncoderOutput">ProtocolEncoderOutput</a> out) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="L78" href="#L78">78</a> <strong class="jxr_keyword">if</strong> (!(message instanceof Serializable)) {
<a class="jxr_linenumber" name="L79" href="#L79">79</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NotSerializableException();
<a class="jxr_linenumber" name="L80" href="#L80">80</a> }
<a class="jxr_linenumber" name="L81" href="#L81">81</a>
<a class="jxr_linenumber" name="L82" href="#L82">82</a> <a name="IoBuffer" href="../../../../../../org/apache/mina/core/buffer/IoBuffer.html#IoBuffer">IoBuffer</a> buf = IoBuffer.allocate(64);
<a class="jxr_linenumber" name="L83" href="#L83">83</a> buf.setAutoExpand(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="L84" href="#L84">84</a> buf.putObject(message);
<a class="jxr_linenumber" name="L85" href="#L85">85</a>
<a class="jxr_linenumber" name="L86" href="#L86">86</a> <strong class="jxr_keyword">int</strong> objectSize = buf.position() - 4;
<a class="jxr_linenumber" name="L87" href="#L87">87</a> <strong class="jxr_keyword">if</strong> (objectSize &gt; maxObjectSize) {
<a class="jxr_linenumber" name="L88" href="#L88">88</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"The encoded object is too big: "</span> + objectSize + <span class="jxr_string">" (&gt; "</span> + maxObjectSize
<a class="jxr_linenumber" name="L89" href="#L89">89</a> + ')');
<a class="jxr_linenumber" name="L90" href="#L90">90</a> }
<a class="jxr_linenumber" name="L91" href="#L91">91</a>
<a class="jxr_linenumber" name="L92" href="#L92">92</a> buf.flip();
<a class="jxr_linenumber" name="L93" href="#L93">93</a> out.write(buf);
<a class="jxr_linenumber" name="L94" href="#L94">94</a> }
<a class="jxr_linenumber" name="L95" href="#L95">95</a> }
</pre>
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